| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 27.83 | 168 |
| 2015 | 27.83 | 168 |
| 2014 | 27.87 | 168 |
| 2013 | 28.55 | 168 |
| 2012 | 28.98 | 166 |
| 2011 | 27.58 | 169 |
| 2010 | 29.76 | 165 |
| 2009 | 29.6 | 166 |
| 2008 | 29.49 | 166 |
| 2007 | 29.32 | 166 |
| 2006 | 29.04 | 167 |
| 2005 | 28.65 | 167 |
| 2004 | 28.03 | 168 |
| 2003 | 27.38 | 169 |
| 2002 | 26.53 | 170 |
| 2001 | 25.9 | 171 |
| 2000 | 25.35 | 172 |
| 1999 | 24.58 | 172 |
| 1998 | 23.9 | 172 |
| 1997 | 23.22 | 173 |
| 1996 | 22.5 | 174 |
| 1995 | 21.66 | 174 |
| 1994 | 21.12 | 175 |
| 1993 | 20.37 | 175 |
| 1992 | 19.7 | 175 |
| 1991 | 19.11 | 174 |
| 1990 | 18.5 | 174 |